<template>
    <div>
      <city-header></city-header>
      <city-search :cities="cities"></city-search>
      <city-list
        :cities="cities"
        :hot="hotCities"
        :letter="letter"
      ></city-list>
      <city-alphabet
        :cities="cities"
        @change="handleLetterChange"
      ></city-alphabet>
    </div>
</template>

<script>
  import axios from 'axios'
  import CityHeader from './components/Header'
  import CitySearch from './components/Search'
  import CityList from './components/List'
  import CityAlphabet from './components/Alphabet'

    export default {
        name:'City',
        components:{
          CityHeader,
          CitySearch,
          CityList,
          CityAlphabet
        },
        data(){
            return {
                cities:{},
                hotCities:[],
                letter:'',
            }
        },
        mounted(){
          this.getCityInfo()
        },
        methods: {
          getCityInfo(){
            axios.get('/api/city.json')
              .then(this.handleGetCityInfoSucc)
          },
          handleGetCityInfoSucc(res){
             res = res.data;
             if(res.ret && res.data){
                const data = res.data;
               this.cities = data.cities;
               this.hotCities = data.hotCities
             }
          },
          handleLetterChange(letter){
            this.letter = letter
          }
        }
    }
</script>

<style scoped lang="stylus">

</style>
